Layout Creation – Arma Reforger

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m (Fix enum entry → enum constant)
m (Remove after class' semicolons)
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{
{
TAG_LayoutTutorialExample,
TAG_LayoutTutorialExample,
};
}
</enforce>
</enforce>
* ''Override'' chimeraMenus.conf in the mod (see {{Link|Arma Reforger:Data Modding Basics#Overriding_assets}} - right-click → {{hl|override in LayoutTutorial}})
* ''Override'' chimeraMenus.conf in the mod (see {{Link|Arma Reforger:Data Modding Basics#Overriding_assets}} - right-click → {{hl|override in LayoutTutorial}})
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textTitle.SetText(result);
textTitle.SetText(result);
}
}
};
}
</enforce>
</enforce>
</spoiler>
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protected ref Widget m_wDisplay;
protected ref Widget m_wDisplay;
};
}


class TAG_DisplayAction : TAG_ScriptedUserAction
class TAG_DisplayAction : TAG_ScriptedUserAction
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return true;
return true;
};
}
};
}


class TAG_MenuAction : TAG_ScriptedUserAction
class TAG_MenuAction : TAG_ScriptedUserAction
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return true;
return true;
};
}
};
}


class TAG_DialogAction : TAG_ScriptedUserAction
class TAG_DialogAction : TAG_ScriptedUserAction
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return true;
return true;
};
}
};
}
</enforce>
</enforce>
</spoiler>
</spoiler>

Revision as of 10:41, 19 May 2023

Definitions

Display

A display is a layout that only provides information to the player; it does not require any input. The player can control his character normally, movement/cursor are not captured.

ⓘ
Think Head-Up Display (HUD).

Menu

A menu is an interface that provides choices or functionality to the player.

ⓘ
Think Field Manual, Inventory etc.

Dialog

A dialog is an interface that requires player's input. There can be multiple dialogs at the same time, they are then ordered by priority. It is displayed on top of a menu, if any is present.

ⓘ
Think OK/Cancel popup window, name input, etc.

Widget

A widget is an element composing a layout - a button, a text, a scrollbar, any "layout part" is a widget.


Create a Mod

See Mod Project Setup.


Create a Layout

Using Resource Manager, open the mod's directory and create the directory tree UI\layouts; in it, right-click > GUI layout (or the Create button > GUI layout) to create a .layout file - this is our new layout.

Double-click on it to open it, using the Layout Editor to edit it.

This first example will sport three features: a title, a change text button and a close button.

  • Clicking the change button will change the title
  • Clicking the close button will close the UI
  • Clicking the title will do nothing.

Add the Close Button

The first widget is an important one; this button will be used to close the opened UI.

Place a WLib_ButtonText.layout button by dragging the layout file from the Resource Browser into the opened layout. In the Hierarchy window, name it ButtonClose.

ⓘ
  • Widget names will be used later in the code.
  • The WLib prefix means Widget Library and is used to find widget prefabs more easily.
  • Buttons are only useful in Menu and Dialog; as a Display is not interactable

To change this button's text, one could be tempted to change ButtonClose > SizeLayout > Overlay > Text's Text property.

However, as this prefab uses a SCR_ButtonTextComponent script component, the displayed value is set within this component.

Click on ButtonClose (the prefab's topmost widget) and in its properties, under Script, find this said component to change its Text property.

Add the Title Text

The second widget is the title. Place a RichText_Heading2.layout and name it "TextTitle".

Add the Change Text Button

Place another WLib_ButtonText.layout button and name it ButtonChange.


Menu/Dialog Setup

Menus and Dialogs share the same first steps:

  • Add an enum constant by modding the ChimeraMenuPreset enum in a new script file:
    modded enum ChimeraMenuPreset { TAG_LayoutTutorialExample, }
  • Override chimeraMenus.conf in the mod (see Data Modding Basics - Overriding_assets - right-click → override in LayoutTutorial)
  • Declare this new layout in it by adding an entry (clicking the "+" button):
    • The entry name ("object name" required on new entry) must match the enum constant, here TAG_LayoutTutorialExample, otherwise the engine will not be able to find the menu and will throw an error
    • Layout - the path to the created layout
    • Action Context - unused in this tutorial
    • Class - the script class to be used with the menu/dialog, see the next chapter where we will create the TAG_LayoutTutorialUI class.
    • Menu Items - unused in this tutorial
    • Preload Count - unused in this tutorial
    • Persistent - unused in this tutorial


Class Setup

The menu/dialog class must inherit from at least MenuBase, ChimeraMenuBase or MenuRootBase, depending on the required features.

Here is the example adapted to our earlier layout:

class TAG_LayoutTutorialUI : MenuBase { protected static const string TEXT_TITLE = "TextTitle"; protected static const string BUTTON_CLOSE = "ButtonClose"; protected static const string BUTTON_CHANGE = "ButtonChange"; //------------------------------------------------------------------------------------------------ protected override void OnMenuOpen() { Print("OnMenuOpen: menu/dialog opened!", LogLevel.NORMAL); Widget rootWidget = GetRootWidget(); if (!rootWidget) { Print("Error in Layout Tutorial layout creation", LogLevel.ERROR); return; } /* Close button */ SCR_ButtonTextComponent buttonClose = SCR_ButtonTextComponent.GetButtonText(BUTTON_CLOSE, rootWidget); if (buttonClose) buttonClose.m_OnClicked.Insert(Close); else Print("Button Close not found - won't be able to exit by button", LogLevel.WARNING); /* Change button */ SCR_ButtonTextComponent buttonChange = SCR_ButtonTextComponent.GetButtonText(BUTTON_CHANGE, rootWidget); if (buttonChange) buttonChange.m_OnClicked.Insert(ChangeText); else Print("Button Change not found", LogLevel.WARNING); // the button can be missing without putting the layout in jeopardy /* ESC/Start listener */ InputManager inputManager = GetGame().GetInputManager(); if (inputManager) { // this is for the menu/dialog to close when pressing ESC // an alternative is to have a button with the SCR_NavigationButtonComponent component // and its Action Name field set to MenuBack - this would activate the button on ESC press inputManager.AddActionListener("MenuOpen", EActionTrigger.DOWN, Close); inputManager.AddActionListener("MenuBack", EActionTrigger.DOWN, Close); #ifdef WORKBENCH // in Workbench, F10 is used because ESC closes the preview inputManager.AddActionListener("MenuOpenWB", EActionTrigger.DOWN, Close); inputManager.AddActionListener("MenuBackWB", EActionTrigger.DOWN, Close); #endif } else if (!buttonClose) { Print("Auto-closing the menu that has no exit path", LogLevel.WARNING); Close(); return; } } //------------------------------------------------------------------------------------------------ protected override void OnMenuClose() { // here we clean action listeners added above as the good practice wants it InputManager inputManager = GetGame().GetInputManager(); if (inputManager) { inputManager.RemoveActionListener("MenuOpen", EActionTrigger.DOWN, Close); inputManager.RemoveActionListener("MenuBack", EActionTrigger.DOWN, Close); #ifdef WORKBENCH inputManager.RemoveActionListener("MenuOpenWB", EActionTrigger.DOWN, Close); inputManager.RemoveActionListener("MenuBackWB", EActionTrigger.DOWN, Close); #endif } } //------------------------------------------------------------------------------------------------ protected void ChangeText() { Widget rootWidget = GetRootWidget(); if (!rootWidget) return; TextWidget textTitle = TextWidget.Cast(rootWidget.FindWidget(TEXT_TITLE)); if (!textTitle) { Print("Title as TextWidget could not be found", LogLevel.WARNING); return; } string result; switch (Math.RandomInt(1, 6)) { case 1: result = "This is a title"; break; case 2: result = "Random text"; break; case 3: result = "Third text, actually"; break; case 4: result = "Bonjour"; break; case 5: result = "I like trains"; break; } textTitle.SetText(result); } }

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Usage

In order to test more easily, we can place a prefab with an ActionsManagerComponent to add actions that trigger UI creation. Each action targets a specific type (display, menu, dialog and their respective classes, TAG_DisplayAction, TAG_MenuAction and TAG_DialogAction).

ⓘ
See Action Context Setup for more information.

Display

GetGame().GetWorkspace().CreateWidgets(m_sLayout);

Menu

GetGame().GetMenuManager().OpenMenu(ChimeraMenuPreset.TAG_LayoutTutorialExample);

Dialog

GetGame().GetMenuManager().OpenDialog(ChimeraMenuPreset.TAG_LayoutTutorialExample, DialogPriority.INFORMATIVE, 0, true);

Code

class TAG_ScriptedUserAction : ScriptedUserAction { [Attribute(defvalue: "{74A4182551CBD740}UI/layouts/TAG_LayoutTutorial.layout")] // setup the created layout here protected ResourceName m_sLayout; protected ref Widget m_wDisplay; } class TAG_DisplayAction : TAG_ScriptedUserAction { //------------------------------------------------------------------------------------------------ override void PerformAction(IEntity pOwnerEntity, IEntity pUserEntity) { if (m_wDisplay) { delete m_wDisplay; return; } m_wDisplay = GetGame().GetWorkspace().CreateWidgets(m_sLayout); } //------------------------------------------------------------------------------------------------ override bool GetActionNameScript(out string outName) { if (m_wDisplay) outName = "Delete display"; else outName = "Create display"; return true; } } class TAG_MenuAction : TAG_ScriptedUserAction { //------------------------------------------------------------------------------------------------ override void PerformAction(IEntity pOwnerEntity, IEntity pUserEntity) { if (m_wDisplay) { delete m_wDisplay; return; } GetGame().GetMenuManager().OpenMenu(ChimeraMenuPreset.TAG_LayoutTutorialExample); } //------------------------------------------------------------------------------------------------ override bool GetActionNameScript(out string outName) { if (m_wDisplay) outName = "Delete menu"; else outName = "Create menu"; return true; } } class TAG_DialogAction : TAG_ScriptedUserAction { //------------------------------------------------------------------------------------------------ override void PerformAction(IEntity pOwnerEntity, IEntity pUserEntity) { if (m_wDisplay) { delete m_wDisplay; return; } GetGame().GetMenuManager().OpenDialog(ChimeraMenuPreset.TAG_LayoutTutorialExample, DialogPriority.INFORMATIVE, 0, true); } //------------------------------------------------------------------------------------------------ override bool GetActionNameScript(out string outName) { if (m_wDisplay) outName = "Delete dialog"; else outName = "Create dialog"; return true; } }

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Using these actions allow to see the different behaviours of said interface - be sure to set the action's default layout (m_sLayout either in code or in Action's configuration UI.


See Also

MenuManager's various methods, including:

  • IsAnyDialogOpen() - check if an existing dialog exists
  • GetTopMenu() - get the topmost menu
  • CloseAllMenus() - close all opened menus
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